Shut off while running, won't restart. Urgent! - Page 3 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 01-03-2010, 07:22 PM   #21
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The ground under the ICM is good and clean. I tested coil resistances and they all checked out. Replaced plugs and wires to no avail.

Now I'm working on the crank sensor.. how the hell do I get the retaining bolt off the harmonic balancer? I read Danthurs' tutorial, but I just have a little crescent wrench on mine cranking it counter clockwise for minutes and it won't catch on anything to be able to take the bolt out. Both FSM and Autozone say a 28 mm socket is required, so I bought a pry bar and a 28 mm and it'* way too big. Appears to be somewhere around 20-22 mm. I'm guessing it has been replaced at some point. Anyway, I need to get this thing off so I can stop bumming rides to Autozone!
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Old 01-03-2010, 07:28 PM   #22
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lmao.. if only it were as easy as this..

http://www.ehow.com/video_4978619_ti...-harmonic.html
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Old 01-03-2010, 07:38 PM   #23
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Although a nice video, it'* pointless on our engines. The HB comes off differently. Close, but not the same. We have write ups on nearly everything in tech info.
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Old 01-03-2010, 07:38 PM   #24
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I feel your pain.

If you don't have access to a wheel puller, once the bolt is removed, I had used a rubber mallet and tapped on the outer edge of the balancer. Then it came right off.
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Old 01-03-2010, 08:16 PM   #25
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I just bought a puller. I figured it was cheaper than damaging it and having to replace it

Danthurs, I read over the tutorial, but the problem I'm having is my HB keeps turning with the retaining bolt. Did I overlook something in the tutorial?

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Old 01-03-2010, 08:20 PM   #26
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Are you trying to remove it when this is happening? You can hit the wrench with a hammer to shock the bolt loose. Or you can remove the access plate by the flex plate and then use a screw driver to hold that in place.
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Old 01-03-2010, 08:32 PM   #27
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Quote:
Originally Posted by Danthurs View Post
Are you trying to remove it when this is happening? You can hit the wrench with a hammer to shock the bolt loose. Or you can remove the access plate by the flex plate and then use a screw driver to hold that in place.
I'm still trying to get the bolt loose initially. I just took the drive belt, the tire, and the access panel off and the HB is right there. I'll have to pickup some penetrating oil I guess, If not I'll give the flex plate a try, but I'd like to avoid that.
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Old 01-04-2010, 04:27 AM   #28
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It'* pretty easy to remove the access cover. Couple little bolts and its off. Worth the little time and effort as opposed trying to do it without it IMO.
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Old 01-04-2010, 01:08 PM   #29
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Yeah I have it off, it is defintely worth it if not a requirement. I'm still deciding on whether to try the breaker bar or an impact wrench. Impact wrench sounds like much less work. Is there any risk of damaging it with the impact wrench?
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Old 01-04-2010, 05:10 PM   #30
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Alright,

This is painful to say.. but Danthurs wins. I tried everything I could to get around it, but nothing else worked.
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